/Engine/Plugins/Online/OnlineFramework/Source/Qos/Public/QosBeaconClient.h
Contact the server with a Qos request and begin timing
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(Server, Reliable, WithValidation) virtual void ServerQosRequest ( const [FString](API\Runtime\Core\Containers\FString) & InSessionId )